204322204434453 has 16 divisors (see below), whose sum is σ = 311352526039680. Its totient is φ = 116753893517376.

The previous prime is 204322204434401. The next prime is 204322204434457. The reversal of 204322204434453 is 354434402223402.

It is not a de Polignac number, because 204322204434453 - 2²¹ = 204322202337301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204322204434457) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67307658 + ... + 70277771.

It is an arithmetic number, because the mean of its divisors is an integer number (19459532877480).

Almost surely, 2^{204322204434453} is an apocalyptic number.

It is an amenable number.

204322204434453 is a deficient number, since it is larger than the sum of its proper divisors (107030321605227).

204322204434453 is a wasteful number, since it uses less digits than its factorization.

204322204434453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137656156.

The product of its (nonzero) digits is 2211840, while the sum is 42.

Adding to 204322204434453 its reverse (354434402223402), we get a palindrome (558756606657855).

The spelling of 204322204434453 in words is "two hundred four trillion, three hundred twenty-two billion, two hundred four million, four hundred thirty-four thousand, four hundred fifty-three".